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1. 发明授权

US06372400B1 Carrier for use in electrophotography, two-component type developer and image forming method 有权
标题翻译：用于电子照相术的载体，双组分型显影剂和图像形成方法
公开(公告)号：US06372400B1
公开(公告)日：2002-04-16
申请号：US09606162
申请日：2000-06-29
申请人： Kazumi Yoshizaki , Kenji Okado , Makoto Kanbayashi , Yushi Mikuriya
发明人： Kazumi Yoshizaki , Kenji Okado , Makoto Kanbayashi , Yushi Mikuriya
IPC分类号： G03G9113
CPC分类号： G03G9/1131 , G03G9/1075 , G03G9/1135 , G03G9/1136 , G03G9/1137 , G03G9/1138 , G03G9/1139
摘要： A carrier for use in electrophotography has carrier cores comprising a binder resin and metal compound particles dispersed therein, and a coating resin for coating the surfaces of the carrier cores. Water adsorption TH2O-H (% by weight) after the carrier has been left in an environment of 30° C./80%RH, water adsorption TH2O-L (% by weight) after the carrier has been left in an environment of 23° C./5%RH, and particle surface area Sm (cm2/g) of the carrier satisfy the following relationship: 6.00×10−6≦TH2O-H/(100×Sm)≦1.50×10−5, and 1.00×10−6≦TH2O-L/(100×Sm)≦5.50×10−6.
摘要翻译：用于电子照相术的载体具有包含分散在其中的粘合剂树脂和金属化合物颗粒的载体芯，以及用于涂覆载体芯的表面的涂布树脂。载体在30°C / 80％RH之间的水中吸附TH2O-H（重量％）后，载体在23度环境中被吸附后的水分吸附量TH2O-L（重量％） ℃5％RH，载体的颗粒表面积Sm（cm 2 / g）满足以下关系：

2. 发明授权

US6124067A Magnetic carrier, two-component developer and image forming method 有权
标题翻译：磁性载体，双组分显影剂和成像方法
公开(公告)号：US6124067A
公开(公告)日：2000-09-26
申请号：US358409
申请日：1999-07-22
申请人： Yushi Mikuriya , Kenji Okado , Kazumi Yoshizaki
发明人： Yushi Mikuriya , Kenji Okado , Kazumi Yoshizaki
IPC分类号： G03G9/08 , G03G9/097 , G03G9/107 , G03G9/113 , G03G15/08
CPC分类号： G03G9/09708 , G03G9/09716 , G03G9/09725 , G03G9/107 , G03G9/1075 , G03G9/1132 , G03G9/1134 , G03G9/1135 , G03G9/1139
摘要： A magnetic carrier constituting a two-component developer for use in an electrophotographic image forming method is formed of a carrier core comprising a first resin and magnetic fine particles dispersed in the first resin, and a second resin surface-coating the carrier core. (a) The magnetic carrier has a true specific gravity of 2.5-4.5, a magnetization .sigma..sub.1000 as measured in a magnetic field of 1000.times.(10.sup.3 /4.pi.).multidot.A/m (1000 oersted) of 15-60 Am.sup.2 /kg (emu/g), a residual magnetization .sigma..sub.r of 0.1-20 Am.sup.2 /kg (emu/g) and a resistivity of 5.times.10.sup.11 -5.times.10.sup.15 ohm.cm. (b) The first resin has a polymer chain including a methylene unit (--CH.sub.2 --). (c) The second resin has at least a fluoro-alkyl unit, a methylene unit (--CH.sub.2 --) and an ester unit. (d) The carrier core is surface-coated with (i) a mixture of the second resin and a coupling agent having at least an amino group and a methylene unit, or (ii) a coupling agent having at least an amino group and a methylene unit, and then with the second resin.
摘要翻译：构成用于电子照相成像方法的双组分显影剂的磁性载体由包含分散在第一树脂中的第一树脂和磁性细颗粒的载体芯和表面涂覆载体芯的第二树脂形成。（a）磁性载体的真比重为2.5-4.5，在1000×（103/4 pi）×A / m（1000奥斯特）为15-60Am 2 / kg（emu）的磁场中测量的磁化σ1000 / g），剩余磁化σr为0.1-20Am 2 / kg（emu / g），电阻率为5×10 11 -5×10 15欧姆·厘米。（b）第一树脂具有包含亚甲基单元（-CH 2 - ）的聚合物链。（c）第二树脂具有至少氟烷基单元，亚甲基单元（-CH 2 - ）和酯单元。（d）载体芯表面涂覆有（i）第二树脂和至少具有氨基和亚甲基单元的偶联剂的混合物，或（ii）至少具有氨基的偶联剂和亚甲基单元，然后与第二树脂。

3. 发明授权

US06855469B2 Full-color image-forming method, and two-component developer kit for forming full-color images 有权
标题翻译：全彩色图像形成方法，以及用于形成全色图像的双组分显影剂套件
公开(公告)号：US06855469B2
公开(公告)日：2005-02-15
申请号：US10274898
申请日：2002-10-22
申请人： Naotaka Ikeda , Kenji Okado , Yushi Mikuriya , Shinya Yachi , Kazumi Yoshizaki , Katsuyuki Nonaka
发明人： Naotaka Ikeda , Kenji Okado , Yushi Mikuriya , Shinya Yachi , Kazumi Yoshizaki , Katsuyuki Nonaka
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/10 , G03G9/107 , G03G9/113 , G03G13/01 , G03G15/01
CPC分类号： G03G13/013 , G03G9/10 , G03G9/107 , G03G9/1135 , G03G2215/0129 , G03G2215/0177
摘要： In a full-color image-forming method having at least a charging step, a latent-image-forming step, a developing step of developing an electrostatic latent image by the use of a developer; a transfer step, and a fixing step, the developer comprises a plurality of color developers and a black developer. The color developers are each a two-component developer for full-color image formation which has i) a color toner having color toner particles containing at least a binder resin, a colorant and a wax and ii) a carrier for the color developer. The black developer is a two-component developer for full-color image formation which has i) a black toner having black toner particles containing at least a binder resin, carbon black and a wax and ii) a carrier for the black developer. The carrier for the black developer has a larger absolute value of charge quantity when the same toner is used, than the respective carriers for the color developers.
摘要翻译：在具有至少充电步骤，潜像形成步骤，通过使用显影剂显影静电潜像的显影步骤的全色图像形成方法中; 转印步骤和定影步骤，显影剂包括多个显色剂和黑色显影剂。显色剂各自是用于全色图像形成的双组分显影剂，其具有i）具有至少含有粘合剂树脂，着色剂和蜡的彩色调色剂颗粒的彩色调色剂和ii）用于显色剂的载体。黑色显影剂是用于全色图像形成的双组分显影剂，其具有i）黑色调色剂，其具有至少含有粘合剂树脂，炭黑和蜡的黑色调色剂颗粒，以及ii）用于黑色显影剂的载体。黑色显影剂的载体与使用相同的调色剂的电荷量的绝对值大于彩色显影剂的各个载体。

4. 发明授权

US06312862B1 Two-component type developer and image forming method 有权
标题翻译：双组分型显影剂和成像方法
公开(公告)号：US06312862B1
公开(公告)日：2001-11-06
申请号：US09434401
申请日：1999-11-05
申请人： Kenji Okado , Ryoichi Fujita , Yushi Mikuriya , Shinya Yachi , Kazumi Yoshizaki
发明人： Kenji Okado , Ryoichi Fujita , Yushi Mikuriya , Shinya Yachi , Kazumi Yoshizaki
IPC分类号： G03G9113
CPC分类号： G03G9/097 , G03G9/0819 , G03G9/10 , G03G9/107 , G03G9/113
摘要： A two-component type developer has a negatively chargeable toner having toner particles and an external additive and a magnetic-fine-particle-dispersed resin carrier. The magnetic-fine-particle-dispersed resin carrier has composite particles containing at least inorganic compound particles and a binder resin. The inorganic compound particles have been surface-treated with a lipophilic-treating agent having at least one type of functional group (A) selected from the group consisting of an epoxy group, an amino group, a mercapto group, an organic acid group, an ester group, a ketone group, an alkyl halide group and an aldehyde group, or a mixture of the agent. The composite particles have been surface-coated with at least one type of coupling agent having at least one type of functional group (B) different from the functional group (A) the lipophilic-treating agent. The functional group (B) the coupling agent has being a functional group or groups selected from the group consisting of an epoxy group, an amino group and a mercapto group. The negatively chargeable toner has a weight-average particle diameter of from 3 &mgr;m to 9 &mgr;m.
摘要翻译：双组分型显影剂具有带负电荷的调色剂，其具有调色剂颗粒和外部添加剂和磁性微粒分散树脂载体。磁性粒子分散树脂载体具有至少含有无机化合物粒子和粘合剂树脂的复合粒子。无机化合物颗粒已经用具有至少一种选自环氧基，氨基，巯基，有机酸基，官能团（A）中的至少一种官能团（A）的亲脂性处理剂进行表面处理酯基，酮基，烷基卤基和醛基，或者该试剂的混合物。复合颗粒已经用至少一种类型的具有至少一种类型的官能团（B）的不同于亲脂性处理剂的官能团（A）的偶联剂进行表面涂覆。官能团（B）偶联剂是选自环氧基，氨基和巯基的官能团或基团。负带电性调色剂的重均粒径为3〜9μm。

5. 发明授权

US06936394B2 Replenishing developer and developing method 有权
标题翻译：补充开发商和开发方法
公开(公告)号：US06936394B2
公开(公告)日：2005-08-30
申请号：US10081844
申请日：2002-02-25
申请人： Kenji Okado , Yushi Mikuriya , Kazumi Yoshizaki , Naotaka Ikeda
发明人： Kenji Okado , Yushi Mikuriya , Kazumi Yoshizaki , Naotaka Ikeda
IPC分类号： G03G9/08 , G03G9/087 , G03G9/10 , G03G9/107 , G03G9/113
CPC分类号： G03G9/1136 , G03G9/08782 , G03G9/10 , G03G9/107
摘要： An electrostatic latent image on an image-bearing member is developed with a two-component developer comprising a toner and a carrier stored in a developer vessel while supplying as required a replenishing developer to the developer vessel. The replenishing developer comprises 1 wt. part of a carrier and 2-50 wt. parts of a toner, wherein the carrier is a magnetic fine particle-dispersed resin carrier comprising at least inorganic compound particles and a carrier binder resin, and the toner has a weight-average particle size of 3 to 10 μm and contains 1 to 40 wt. % of solid wax.
摘要翻译：图像承载部件上的静电潜像用包含调色剂和存储在显影剂容器中的载体的双组分显影剂显影，同时根据需要向显影剂容器提供补充显影剂。补充显影剂包含1重量％载体的一部分和2-50wt。调色剂的一部分，其中所述载体是至少包含无机化合物颗粒和载体粘合剂树脂的磁性细颗粒分散树脂载体，并且所述调色剂的重均粒径为3至10μm，并且含有1至40wt 。％固体蜡。

6. 发明授权

US06316157B1 Toner and image forming method 有权
标题翻译：调色剂和成像方法
公开(公告)号：US06316157B1
公开(公告)日：2001-11-13
申请号：US09610914
申请日：2000-07-05
申请人： Junko Yoshikawa , Kenji Okado , Masaaki Taya , Yushi Mikuriya , Kazumi Yoshizaki , Yasushi Katsuta , Kenichi Nakayama
发明人： Junko Yoshikawa , Kenji Okado , Masaaki Taya , Yushi Mikuriya , Kazumi Yoshizaki , Yasushi Katsuta , Kenichi Nakayama
IPC分类号： G03G9097
CPC分类号： G03G9/09708 , G03G9/0821 , G03G9/08755 , G03G9/09783
摘要： A non-metallic black toner is disclosed. The toner has toner particles containing at least a binder resin, a carbon black and an organometallic compound, and an external additive. The toner particles contain 10 to 200 ppm of at least one kind of alkali metal element and at least one kind of organometallic compound. The toner particles further contain a polyester resin. The non-metallic black toner has a weight-average particle diameter of 4 to 11 &mgr;m, the following loss tangents tan &dgr; shown by dielectric loss factor ∈″/dielectric constant ∈′ at frequencies of 5×104 Hz and 105 Hz: tan &dgr; (5×104 Hz)≦0.0125 tan &dgr; (105 Hz)≦0.0105, a Carr's flowability index of 50 or more, and a Carr's floodability index of 65 or more. Also, an image forming method is disclose using the black toner.
摘要翻译：公开了一种非金属黑色调色剂。调色剂具有至少含有粘合剂树脂，炭黑和有机金属化合物的调色剂颗粒和外部添加剂。调色剂颗粒含有10-200ppm的至少一种碱金属元素和至少一种有机金属化合物。调色剂颗粒还含有聚酯树脂。非金属黑色调色剂的重均粒径为4〜11μm，频率为5×104Hz，105Hz时的介电损耗因子∈“/介电常数ε'表示的以下损耗正切tanδ：卡尔的流动性指数为50以上，卡尔的防洪指数为65以上。此外，使用黑色调色剂公开了图像形成方法。

7. 发明授权

US07016630B2 Image forming apparatus 失效
标题翻译：图像形成装置
公开(公告)号：US07016630B2
公开(公告)日：2006-03-21
申请号：US10836278
申请日：2004-05-03
申请人： Kazumi Yoshizaki , Kenji Okado , Masashige Tamura , Naotaka Ikeda
发明人： Kazumi Yoshizaki , Kenji Okado , Masashige Tamura , Naotaka Ikeda
IPC分类号： G03G15/08
CPC分类号： G03G15/0808 , G03G15/09 , G03G2215/0177
摘要： In an image forming apparatus having a powder transport mechanism including a powder container and a powder transport means which rotates relative to the powder container, the powder transport means has the rotation center substantially on the axis of the powder container, and the space between the inner wall surface of the powder container and the powder transport means is sealed with magnetic particles held by a magnetic-filed generation means. The magnetic particles have a specific saturation magnetization σs and a specific value of A×σA where the residual magnetic flux density of the magnetic-field generation means is represented by A in a specific range and the magnetization intencity of the magnetic particles in a magnetic field with the residual magnetic flux density A is represented by σA.
摘要翻译：在具有粉末输送机构的图像形成装置中，粉末输送机构包括粉末容器和相对于粉末容器旋转的粉末输送装置，粉末输送装置具有大致在粉末容器的轴线上的旋转中心，粉末容器的壁表面和粉末输送装置用磁场产生装置保持的磁性颗粒密封。磁性颗粒具有特定的饱和磁化信号和Axsigma的特定值，其中磁场产生装置的剩余磁通密度由特定范围内的A表示，并且磁场强度具有剩余磁通密度A的磁场中的磁性颗粒由σA表示。

8. 发明授权

US5994019A Image forming method 失效
标题翻译：图像形成方法
公开(公告)号：US5994019A
公开(公告)日：1999-11-30
申请号：US979960
申请日：1997-11-26
申请人： Kenji Okado , Toshiyuki Ugai , Ryoichi Fujita , Kazumi Yoshizaki
发明人： Kenji Okado , Toshiyuki Ugai , Ryoichi Fujita , Kazumi Yoshizaki
IPC分类号： G03G13/02 , G03G15/02 , G03G9/083
CPC分类号： G03G13/025 , G03G15/0241 , G03G2215/022
摘要： An image forming method is disclosed in which a contact charging means is brought into contact with a latent image bearing member to electrostatically charge the latent image bearing member on which electrostatic latent images are formed and developed with a one component type or two component type developer to form toner images, using a developing assembly provided with a developing container and a developer carrying member. The one component developer is comprised of toner particles. The two component type developer is comprised of toner particles and a magnetic carrier. The toner particles of the one component type and two component type developers contains fine particles as an external additive.The latent image bearing member has a surface layer having a volume resistivity A of from 10.sup.8 to 10.sup.15 .OMEGA..multidot.cm; the contact charging means comprises an assembly for electrostatically charging the latent image bearing member by applying a voltage to a charging member having a volume resistivity B of from 10.sup.4 to 10.sup.9 .OMEGA..multidot.cm; the toner has, as an external additive, fine particles having a volume resistivity C of from 10.sup.7 to 10.sup.11 .OMEGA..multidot.cm; the magnetic carrier has a volume resistivity D1 of from 10.sup.9 to 10.sup.15 .OMEGA..multidot.cm; and the developer carrying member has a surface layer having a volume resistivity D2 of from 10.sup.9 to 10.sup.15 .OMEGA..multidot.cm. The resistivities A, B, C, D1 and D2 stasisfy the following conditions: B
摘要翻译：公开了一种图像形成方法，其中接触充电装置与潜像承载部件接触，以静电潜像形成和显影的潜像承载部件用单组分型或双组分型显影剂静电充电使用具有显影容器和显影剂承载构件的显影组件形成调色剂图像。单组分显影剂由调色剂颗粒组成。双组分型显影剂由调色剂颗粒和磁性载体构成。单组分型和二组分型显影剂的调色剂颗粒含有作为外部添加剂的细颗粒。潜像承载部件具有体积电阻率A为108至1015欧米伽×厘米的表面层; 接触充电装置包括用于通过向体积电阻率B为104至109欧姆×xcm的充电部件施加电压来静电充电潜像承载部件的组件; 作为外部添加剂，调色剂具有体积电阻率C为107至1011欧米伽×厘米的细小颗粒; 磁性载体的体积电阻率D1为109〜1015ΩEGEG×cm; 并且显影剂承载构件具有体积电阻率D2为109至1015欧姆×xcm的表面层。电阻率A，B，C，D1和D2停留在以下条件下：B

9. 发明授权

US07024138B2 Image forming apparatus, and replenishing developer kit 有权
标题翻译：成像设备和补充开发套件
公开(公告)号：US07024138B2
公开(公告)日：2006-04-04
申请号：US10765033
申请日：2004-01-28
申请人： Naotaka Ikeda , Kenji Okado , Kazumi Yoshizaki , Hironori Minagawa
发明人： Naotaka Ikeda , Kenji Okado , Kazumi Yoshizaki , Hironori Minagawa
IPC分类号： G03G15/01
CPC分类号： G03G15/08 , G03G15/01 , G03G15/0865 , G03G2215/0607 , G03G2215/066
摘要： In an image forming apparatus having at least one single electrostatic latent image bearing member and a plurality of image forming units each having a replenishing developer cartridge and a developing assembly, at least one of the image forming units is a special-color image forming unit having a special-color replenishing developer cartridge containing a special-color replenishing developer, and at least one of the other image forming unit is a non-special-color image forming unit having a non-special-color replenishing developer cartridge containing a non-special-color replenishing developer. The special-color replenishing developer cartridge has a volume larger than the volume of the non-special-color replenishing developer cartridge, and the special-color replenishing developer contains a toner and a carrier.
摘要翻译：在具有至少一个单一静电潜像承载部件和多个图像形成单元的图像形成装置中，每个图像形成单元均具有补充显影剂盒和显影组件，至少一个图像形成单元是特殊颜色图像形成单元，其具有包含特殊颜色补充显影剂的特殊颜色补充显影剂盒，并且至少其中一个图像形成单元是非特殊颜色图像形成单元，其具有包含非特殊颜色补充显影剂盒的非特殊颜色补充显影剂盒彩色补充开发者。特殊颜色补充显影剂盒的体积大于非特殊颜色补充显影剂盒的体积，并且特殊颜色补充显影剂含有调色剂和载体。

10. 发明授权

US6077635A Toner, two-component developer and image forming method 失效
标题翻译：调色剂，双组分显影剂和成像方法
公开(公告)号：US6077635A
公开(公告)日：2000-06-20
申请号：US99527
申请日：1998-06-18
申请人： Kenji Okado , Ryoichi Fujita , Wakashi Iida , Yuji Moriki , Kazumi Yoshizaki , Michihisa Magome
发明人： Kenji Okado , Ryoichi Fujita , Wakashi Iida , Yuji Moriki , Kazumi Yoshizaki , Michihisa Magome
IPC分类号： G03G9/08 , G03G9/097 , G03G13/01
CPC分类号： G03G9/0827 , G03G9/0819 , G03G9/09708
摘要： A toner is disclosed which has toner particles and an external additive. The toner has (a) in circularity distribution of particles measured with a flow type particle image analyzer, an average circularity of from 0.920 to 0.995, containing particles with a circularity of less than 0.950 in an amount of from 2% by number to 40% by number; and (b) a weight-average particle diameter of from 2.0 .mu.m to 9.0 .mu.m as measured by Coulter method. The external additive has, on the toner particles, at least (i) an inorganic fine powder (A) present in the state of primary particles or secondary particles and having an average particle length of from 10 m.mu.m to 400 m.mu.m and a shape factor SF-1 of from 100 to 130 and (ii) a non-spherical inorganic fine powder (B) formed by coalescence of a plurality of particles and having a shape factor SF-1 of greater than 150. Also, a two-component developer and an image forming method, using the toner, are disclosed.
摘要翻译：公开了一种具有调色剂颗粒和外部添加剂的调色剂。调色剂具有（a）以流动型颗粒图像分析仪测量的颗粒的圆形分布，平均圆形度为0.920至0.995，其中圆形度小于0.950的颗粒的量为2％至40％按数量（b）通过Coulter法测定的重均粒径为2.0μm〜9.0μm。外部添加剂在调色剂颗粒上至少存在（i）以一次粒子或二次粒子状态存在的平均粒子长度为10μm〜400μm的无机细粉末（A）， 100〜130的形状因子SF-1和（ii）通过多个粒子的聚结而形成的非球形的无机细粉末（B），并且具有大于150的形状因子SF-1。另外， - 组分显影剂和使用调色剂的图像形成方法。

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